Car.prototype = {
    height: 1400,
    lang: 4900,
    carName:'BMW'
}
//Car.prototype.height = 1400
function Car(color, owner){
    this.height = 1400
    this.lang = 1400
    this.lang = 4999
    this.carName = 'BMW'
    this.color = color
    this.owner = owner
}
var car1 = new Car('pink', 'lmc')
var car2 = new Car('green', 'qiming')
console.log(car1);
console.log(car2.owner);
